sync: use "drop video to sync" fallback also when audio encoding fails or we do not get an output packet after 10 tries.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5918 b64f7644-9d1e-0410-96f1-a4d463321fa5
sync: find the AAC encoder by name.

FDK is non-experimental, so if it's compiled in, it will be selected over the libavcodec encoder, which is what we want to use for consistency (quality hardly matters when encoding silence).


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5919 b64f7644-9d1e-0410-96f1-a4d463321fa5
sync: fix previous commit.


git-svn-id: svn://svn.handbrake.fr/HandBrake/trunk@5920 b64f7644-9d1e-0410-96f1-a4d463321fa5